我在 Windows 7 环境下安装了 android sdk。但是当我运行它时,有错误提示说 xcopy 不能作为命令被识别。如何解决这个问题?
C:\>android.bat
'xcopy' is not recognized as an internal or external command,
operable program or batch file.
Usage: java [-options] class [args...]
(to execute a class)
or java [-options] -jar jarfile [args...]
(to execute a jar file)